Is co2 cartridge profitable to sell on Amazon United Kingdom?

The niche generates £181K/yr across 11 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +15.0%. Flapen's verdict: Skip it (49/100).

How competitive is the co2 cartridge niche?

8 brands and 18 sellers compete. The top 5 products take 79% of clicks and top 5 brands hold 86% of demand.

What do buyers complain about in co2 cartridge?

Top complaints mined from reviews: Advertised Vs Actual Product, Quality-Overall, Leak-Proof. The return rate is 0.4%.

When does demand for co2 cartridge peak?

Demand is steady year-round — the busiest month runs 1.4× the quietest.

What does it cost to enter the co2 cartridge niche?

Listings span £8.40–£33.30; the average listing price is £16.59 (sweet spot $15–$100). The average incumbent carries 2,306 reviews — the moat a new listing must climb.

co2 cartridge

Skip it

A concentrated shelf (top 5 take 79% of clicks) — this niche doesn't clear our bar today.

Returns

Incredible0.4%

return rate — above 5% kills the launch gate

Avg price

Great£16.59

avg listing price — sweet spot $15–$100

Conversion

Great7.6%

search→purchase rate — share of searches ending in a sale

Price range

Good£8.40–£33.30

cheapest to priciest tracked listing — scored on the share inside $15–$100

Growth

Okay+15.0%

90-day search growth — must beat 0% to launch

Review moat

Okay2,306.36

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Market size

Okay£181K

£181K/yr · 143K searches

Brand share

Okay86%

top-5 brand share — brands hold most of the demand

Competition

Bad79%

top-5 click share — a locked-up shelf

According to Flapen's Amazon United Kingdom niche tracking, co2 cartridge is a £181K/yr Amazon United Kingdom market (143K searches/yr). The top 5 brands hold 86% of demand. Verdict: Skip it — 49/100.

Data updated Jul 29, 2026 · scored weekly · How we score niches

co2 cartridge market data

Units sold / yr: 8K–10K; avg 500–750/product
Revenue / yr: £133K–£166K; units × avg price
Conversion rate: 7.6%
Avg BSR: #10
Page quality: 0%
Prime: 73%
Sponsored: 64%
Out of stock: 14.2%
Avg brand age: 61 months
Avg seller age: 179 days

Competition & brand share

The top 5 products capture 79% of clicks — a locked-up shelf that new listings rarely crack.

Brands

8 falling

Sellers

Top-5 brand share

86%

Top 20: 92%

Top-5 click share

79%

Top 20: 100%

Open market

Umarex39%
ICO31%
--8%
KONG MING CAR7%
ARSUK6%
CO2 YOU3%
Open — no brand owns it (2 brands, 6%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +15.0% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.4×

Open Trend

Top co2 cartridge search terms

co2 cartridge72K/yr +23.5%6.5% conv.
12g co2 cartridge26K/yr +6.9%6.7% conv.
co217K/yr -2.0%1.5% conv.
c02 cartridges8K/yr +24.1%6.6% conv.
co2 canisters6K/yr -3.1%2.8% conv.
12g co2 cartridge air pistol4K/yr +21.0%9.7% conv.
co2 cartridge 12g4K/yr +16.3%8.0% conv.
umarex co2 cartridge 12g4K/yr -1.8%14.1% conv.

All search terms

Top co2 cartridge products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 11 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Umarex 20 x 12g Co2 Gas Capsules Cartridge Air Rifle Pistol Gun Airgun 12 Gram CO2

Umarex£11.464.7★1,207 rev

CO2 cartridge (10pk) 16g C02 Cartridges Threaded For CO2 Bike Tyre Inflator

ICO£10.654.6★13,331 rev

Umarex 12gram Airgun Co2 Cartridge 50 Pack - 12 gram Powerlets Bulbs Suits All Popular Co2 Pellet and BB Guns Inc. Crosman Gamo and Swith Wesson etc.

Umarex£20.514.8★765 rev

BISLEY 12g CO2 Cartridges for Airsoft Guns Pack of 50 Non-Threaded Gas Canisters Steel CO2 Capsules for Airsoft BB Gun CO2-Powered Devices & Gear

--£17.724.2★18 rev

KONG MING CAR CO2 Cartridges with Thread 16g/25g CO2 Cartridges with Thread Connection for All CO2 Bicycle Tyre Fillers CO2 Pump for Road Bikes and Mountain Bikes (16G-6PCS)

KONG MING CAR£9.654.6★113 rev

Newest

by launch date

BISLEY 12g CO2 Cartridges for Airsoft Guns Pack of 50 Non-Threaded Gas Canisters Steel CO2 Capsules for Airsoft BB Gun CO2-Powered Devices & Gear

--£17.7218 rev

9mo ago

Dual Pack CO2 YOU Gas Cylinder (SCREW IN) 60 Litre for Home Carbontators - Check Your Compatibility Below

CO2 YOU£33.30145 rev

1y ago

FizzIt Pro 425g CO2 Cylinders Carbonates Up to 120L Refillable Soda Makers Fits Most Screw-Type Compatible Models Efficient Carbonation for Water & Beverages Compact & Cost-Effective (Pack of 2)

FizzIt Pro£33.1397 rev

1y ago

KONG MING CAR CO2 Cartridges with Thread 16g/25g CO2 Cartridges with Thread Connection for All CO2 Bicycle Tyre Fillers CO2 Pump for Road Bikes and Mountain Bikes (16G-6PCS)

KONG MING CAR£9.65113 rev

2y ago

CXWXC CO2 Inflator Kit with 16g/ 25g CO2 Cartridges - Presta & Schrader Valve Compatible - CO2 Bike Pump for Road and Mountain Bikes

CXWXC£18.041,097 rev

5y ago

What buyers say about co2 cartridge

What buyers praise and complain about, mined from review topics.

What buyers love

Value For Money33%

“Good value for money”

Quality-Overall21%

“Good quality”

Advertised Vs Actual Product18%

“Works as it should”

Size-Overall7%

“good fit”

Inflation/Deflation6%

“Great for my gas cartridge inflated scuba SMB”

Ease Of Use6%

“EASY TO USE”

Compatibility-Overall2%

“these were totally compatible”

Assembly/Installation1%

“Easy to install in to Aarke product”

Efficiency1%

“And then this changes everything”

What buyers complain about

Advertised Vs Actual Product15%

“Misleading at best”

Quality-Overall15%

“It seems to me that there is an issue with Quality Control at this company”

Leak-Proof15%

“Leaks”

Compatibility-Overall8%

“The saturator is not compatible with others”

Flatness8%

“The cap is not perfectly flat it has a slight indentation causing the pin to fail to puncture correctly causing ice up”

Value For Money8%

“Money waster”

Strength4%

“Just a weak, cheap, paper bag so happy that no cartridges were listed in transit thus time”

Weight Heavy4%

“heavy though”

Recycle/Reuse4%

“there is no facility to recycle these without a subscription”

Functionality-Overall3%

“The tyre goes from unusable to functional in seconds”

Top return reasons

Size-Overall74%

Compatibility-Overall11%

Advertised Vs Actual Product6%

Functionality-Overall4%

Leak-Proof2%

Defective Material/Parts1%

Value For Money1%

Durability1%

Gifting Purpose1%

Connectivity-Overall1%

Common questions

Is co2 cartridge profitable to sell on Amazon United Kingdom?: The niche generates £181K/yr across 11 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +15.0%. Flapen's verdict: Skip it (49/100).
How competitive is the co2 cartridge niche?: 8 brands and 18 sellers compete. The top 5 products take 79% of clicks and top 5 brands hold 86% of demand.
What do buyers complain about in co2 cartridge?: Top complaints mined from reviews: Advertised Vs Actual Product, Quality-Overall, Leak-Proof. The return rate is 0.4%.
When does demand for co2 cartridge peak?: Demand is steady year-round — the busiest month runs 1.4× the quietest.
What does it cost to enter the co2 cartridge niche?: Listings span £8.40–£33.30; the average listing price is £16.59 (sweet spot $15–$100). The average incumbent carries 2,306 reviews — the moat a new listing must climb.